Adorama has the Bescor LED-150 12V On Camera Dimmable LED Video 150 Watt Output 5800K Light with Cigarette Plug Connection for $129 - $110 off with coupon code S0430013
[Exp 3/25] = $19
with free shipping. This is $129+ elsewhere. Adjustable wattage from 150 to 25 watts, has an 80° spread, and features an extremely long battery run.